mischief

n. naughty behavior that is not spiteful; source of evil or misfortune; harm, damage; trouble maker (usually a child); vexation, annoyance; one who has an annoying disposition

Alternate meaning: Mischief (film) (1985) Mischief, in criminal law, is an offense against property that does not involve conversion. It typically involves vandalism, graffiti or some other destruction or defacement of property other than arson. Criminal mischief is usually a misdemeanor. Virtual MischiefIn computer science and hacker jargon, mischief is a form of attack that does not damage the system, but clearly indicates the breach (unauthorized intrusion) of the system. Grey Hat hackers often use mischief as a "non-harmful" way to signal security breaches to system administrators.
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Noun
1. reckless or malicious behavior that causes discomfort or annoyance in others
(synonym) mischief-making, mischievousness, deviltry, devilry, devilment, rascality, roguery, roguishness, shenanigan
(hypernym) misbehavior, misbehaviour, misdeed
(hyponym) hell, blaze
2. the quality or nature of being harmful or evil
(synonym) maleficence, balefulness
(hypernym) evil, evilness
(attribute) maleficent

(v. t.)
To do harm to.
  

(n.)
Harm; damage; esp., disarrangement of order; trouble or vexation caused by human agency or by some living being, intentionally or not; often, calamity, mishap; trivial evil caused by thoughtlessness, or in sport.
  

(n.)
Cause of trouble or vexation; trouble.
  

n.
فتنہ, شرارت, کھٹائي, ضرر, خرابي, بدي, برائي, آسيب, اذيت, نقصان, مضرت, فساد, بذاتي, بگاڑ, کم بختي,
It is sport to a fool to do mischief.
احمق کو فساد کرنا کھيل ہے,